CN104479254A - Preparation process of electric ammeter shell material - Google Patents
Preparation process of electric ammeter shell material Download PDFInfo
- Publication number
- CN104479254A CN104479254A CN201410842012.9A CN201410842012A CN104479254A CN 104479254 A CN104479254 A CN 104479254A CN 201410842012 A CN201410842012 A CN 201410842012A CN 104479254 A CN104479254 A CN 104479254A
- Authority
- CN
- China
- Prior art keywords
- powder
- preparation process
- parts
- mould
- mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000011257 shell material Substances 0.000 title abstract 3
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000009966 trimming Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 20
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 16
- -1 polyethylene Polymers 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 claims description 10
- 239000004417 polycarbonate Substances 0.000 claims description 10
- 229920000515 polycarbonate Polymers 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 229940074404 sodium succinate Drugs 0.000 claims description 8
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical compound [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 claims description 8
- 229920002101 Chitin Polymers 0.000 claims description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 4
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 239000002305 electric material Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
- 239000003063 flame retardant Substances 0.000 description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000004431 polycarbonate resin Substances 0.000 description 2
- 229920005668 polycarbonate resin Polymers 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F291/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups C08F251/00 - C08F289/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the field of electric material processing, and discloses a preparation process of an electric ammeter shell material. The preparation process comprises the following steps: adding raw materials into a centrifuge in sequence, centrifugally stirring to uniformly mix the raw materials, feeding into a double-screw extruder to extrude to be in a molten state., rapidly injecting the molten body into a mold by using an ejection machine, performing mold closing and cooling molding, opening the mold, feeding a finished product into a secondary mold, and trimming inside the secondary mold by using a cutting machine, thereby obtaining the electric ammeter shell material. The preparation process is simple and feasible and applicable to large-scale production.
Description
Technical field
The invention belongs to electric power material processing field, specifically disclose a kind of preparation technology of power electric meter sheating material.
Background technology
Ammeter is the abbreviation of electric energy meter, is used to the instrument measuring electric energy, and also known as watt-hour meter, energy meter, electric energy meter, kilowatt-hour table, refers to the instrument measuring various electrical quantities.Meter case mainly plays the function of protection ammeter internals, needs good mechanical property, good thermostability and flame retardant properties.Domestic current meter case material many employings flame-proof ABS.Although flame-proof ABS is cheap, rigidity is not fine.Adopt reinforced polycarbonate (PC) at present abroad, along with China's expanding economy, domestic also will employing in a large number strengthens PC as meter case material more.Polycarbonate is a kind of water white indefiniteness thermoplastic material, and its chemical property is weak acid resistant, resistance to weak base, resistance to neutral oil, not ultraviolet resistance and not resistance to highly basic, and its physical properties is linear expansivity: 38 × 10cm/cm
2, thermal change type temperature 135 DEG C, has poor stability, has that stress is easy to split, power of hitting notched Izod impact is low, wears no resistance, low on metalwork bounding force, viscosity large, the shortcoming such as poor fluidity and impact processing injection moulding.
The more of at present both at home and abroad research is polycarbonate modified meter case material, and its main component is polycarbonate, adds other fire retardant materials, and it often exists insufficient strength or the poor defect of thermostability, and various performance cannot have both; And a large amount of polycarbonate cost that uses is higher, reduces the profit margin of enterprise.Chinese invention patent CN101469118A discloses a kind of polymer material for ammeter case, and this macromolecular material physical strength is inadequate, and cost is higher, does not utilize and promotes the use of.Chinese invention patent CN103740078A is applicant's patent of invention formerly, and disclosed sheating material possesses good physical strength and flame retardant properties, but heat-drawn wire is lower, is easily out of shape, under being not suitable for hot environment.
Summary of the invention
The object of the invention is the many defects solving meter case material in prior art, through lot of experiments and exploration, change existing raw material composition and preparation method, a kind of preparation technology of power electric meter sheating material is provided.
To achieve these goals, technical scheme of the present invention realizes in the following way:
A preparation technology for power electric meter sheating material, it comprises the steps:
Following each raw material is taken according to weight part, wherein, polyvinyl chloride 90-100 part, polyethylene 60-70 part, methyl methacrylate 40-50 part, glass fibre 38-42 part, polycarbonate 30-36 part, poly(lactic acid) 25-28 part, TDE 20-22 part, polydimethylsiloxane 18-20 part, chitin 12-15 part, silicon nitride powder 10-12 part, carborundum powder 7-8 part, sodium succinate 4-5 part, talcum powder 2-4 part, barium sulfate 2-3 part, Graphite Powder 99 1-2 part;
Each raw material is added in whizzer successively, 1000 turns/min centrifugal mixer 3 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, then by injector, molten mass is injected mould fast, mould matched moulds cooling and shaping; After die sinking, finished product enters secondary mould, by cutting machine trimming and get final product in secondary mould.
Preferably, the length of glass fibre is preferably 1-5mm; The particle diameter of silicon nitride powder, carborundum powder, sodium succinate, talcum powder, barium sulfate and Graphite Powder 99 all controls more than 200 orders.
The beneficial effect that the present invention obtains is as follows:
Possess good synergy between each material component of meter case prepared by the present invention, higher mechanical property can be reached, and possess excellent thermostability and flame retardant properties, under being suitable for hot environment; The each low raw-material cost of the present invention, lower than the cost of the polycarbonate resin meter case that market is commonly used, is conducive to reducing enterprise's raw materials cost, promotes suitability for industrialized production; Preparation technology's simple possible of the present invention, is applicable to large-scale production.
Embodiment
Below employing specific embodiment is made further explanation to the present invention, but it is not as the restriction to initiative spirit of the present invention.
Embodiment 1
A preparation technology for power electric meter sheating material, it comprises the steps:
Following each raw material is taken according to weight part, wherein, polyvinyl chloride 90 parts, polyethylene 60 parts, methyl methacrylate 40 parts, 38 parts, glass fibre, polycarbonate 30 parts, poly(lactic acid) 25 parts, TDE 20 parts, polydimethylsiloxane 18 parts, chitin 12 parts, silicon nitride powder 10 parts, carborundum powder 7 parts, sodium succinate 4 parts, talcum powder 2 parts, 2 parts, barium sulfate, Graphite Powder 99 1 part.The length of glass fibre is 1mm; The size controlling of silicon nitride powder, carborundum powder, sodium succinate, talcum powder, barium sulfate and Graphite Powder 99 is at 200 orders; Each raw material is added in whizzer successively, 1000 turns/min centrifugal mixer 3 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, then by injector, molten mass is injected mould fast, mould matched moulds cooling and shaping; After die sinking, finished product enters secondary mould, by cutting machine trimming and get final product in secondary mould.
Embodiment 2
A preparation technology for power electric meter sheating material, it comprises the steps:
Following each raw material is taken according to weight part, wherein, polyvinyl chloride 100 parts, polyethylene 70 parts, methyl methacrylate 50 parts, 42 parts, glass fibre, polycarbonate 36 parts, poly(lactic acid) 28 parts, TDE 22 parts, polydimethylsiloxane 20 parts, chitin 15 parts, silicon nitride powder 12 parts, carborundum powder 8 parts, sodium succinate 5 parts, talcum powder 4 parts, 3 parts, barium sulfate, Graphite Powder 99 2 parts; The length of glass fibre is 5mm; The size controlling of silicon nitride powder, carborundum powder, sodium succinate, talcum powder, barium sulfate and Graphite Powder 99 is at 300 orders;
Each raw material is added in whizzer successively, 1000 turns/min centrifugal mixer 3 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, then by injector, molten mass is injected mould fast, mould matched moulds cooling and shaping; After die sinking, finished product enters secondary mould, by cutting machine trimming and get final product in secondary mould.
Embodiment 3
The performance test of meter case material prepared by the present invention:
The meter case material prepared for the embodiment of the present invention 1 and 2 carries out performance test; Wherein mould shrinks and presses ASTM D955 and test; Flexural strength is pressed ASTM D790 and is tested; Tensile strength is tested according to ASTM D638; Notched Izod impact strength is pressed ASTM D256 and is tested; Heat-drawn wire is pressed ASTM D648 and is tested.The test result of resulting materials is in table 1:
Table 1
| Performance perameter | Embodiment 1 | Embodiment 2 |
| Mould shrinks (%) | 0.24 | 0.25 |
| Flexural strength (Kgf/cm 2) normal temperature | 1390 | 1386 |
| Tensile strength (Kgf/cm 2) normal temperature | 893 | 907 |
| Notched Izod impact strength (KJ/m 2) | 13.2 | 13.1 |
| Heat-drawn wire DEG C | 135 | 137 |
Conclusion: possess good synergy, better mechanical property between each material component of meter case prepared by the present invention, and possess excellent thermostability and flame retardant properties (flame retardant resistance UL94 is V0 level); Meter case prepared by the present invention under the high temperature conditions, still can keep good mechanical property, and not volatility; Low raw-material cost, lower than the cost of the polycarbonate resin meter case that market is commonly used, is conducive to suitability for industrialized production; Preparation technology's simple possible of the present invention, is applicable to large-scale production.
Finally, it is also to be noted that what enumerate above is only several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (3)
1. a preparation technology for power electric meter sheating material, is characterized in that, described technique comprises the steps:
1) following each raw material for standby is taken according to weight part: wherein, polyvinyl chloride 90-100 part, polyethylene 60-70 part, methyl methacrylate 40-50 part, glass fibre 38-42 part, polycarbonate 30-36 part, poly(lactic acid) 25-28 part, TDE 20-22 part, polydimethylsiloxane 18-20 part, chitin 12-15 part, silicon nitride powder 10-12 part, carborundum powder 7-8 part, sodium succinate 4-5 part, talcum powder 2-4 part, barium sulfate 2-3 part, Graphite Powder 99 1-2 part;
2) each raw material is added in whizzer successively, 1000 turns/min centrifugal mixer 3 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, then by injector, molten mass is injected mould fast, mould matched moulds cooling and shaping; After die sinking, finished product enters secondary mould, by cutting machine trimming and get final product in secondary mould.
2. technique according to claim 1, is characterized in that, the length of described glass fibre is preferably 1-5mm.
3. technique according to claim 1, is characterized in that, the particle diameter of described silicon nitride powder, carborundum powder, sodium succinate, talcum powder, barium sulfate and Graphite Powder 99 all controls more than 200 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410842012.9A CN104479254B (en) | 2014-12-30 | 2014-12-30 | A kind of preparation technology of power electric meter sheathing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410842012.9A CN104479254B (en) | 2014-12-30 | 2014-12-30 | A kind of preparation technology of power electric meter sheathing material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104479254A true CN104479254A (en) | 2015-04-01 |
| CN104479254B CN104479254B (en) | 2016-11-30 |
Family
ID=52753869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410842012.9A Active CN104479254B (en) | 2014-12-30 | 2014-12-30 | A kind of preparation technology of power electric meter sheathing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104479254B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542382A (en) * | 2016-01-22 | 2016-05-04 | 杭州富阳高博信息技术服务有限公司 | Plastic shell of electricity meter and application of plastic shell |
| CN105924845A (en) * | 2016-06-13 | 2016-09-07 | 深圳市红岩电控设备有限公司 | Efficient and energy-saving environment-friendly graphene power distribution cabinet |
| CN107057241A (en) * | 2017-06-22 | 2017-08-18 | 合肥励仙电力工程有限公司 | A kind of power electric meter erosion resisting insulation sheathing material and preparation method thereof |
| CN107189272A (en) * | 2017-07-04 | 2017-09-22 | 合肥市大卓电力有限责任公司 | A kind of power electric meter sheathing material and preparation method thereof |
| CN107286531A (en) * | 2017-08-02 | 2017-10-24 | 合肥尚涵装饰工程有限公司 | A kind of meter case material and preparation method thereof |
| CN107418119A (en) * | 2017-08-01 | 2017-12-01 | 合肥市大卓电力有限责任公司 | A kind of fire-retardant power electric meter sheathing material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103665688A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Electricity meter casing and preparation method thereof |
| CN103724900A (en) * | 2013-12-31 | 2014-04-16 | 国家电网公司 | Electric insulation material and application thereof |
| CN104151745A (en) * | 2014-08-12 | 2014-11-19 | 山东梦奇电器有限公司 | High and low voltage power distribution cabinet housing material and preparation method thereof |
-
2014
- 2014-12-30 CN CN201410842012.9A patent/CN104479254B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103665688A (en) * | 2013-12-17 | 2014-03-26 | 国家电网公司 | Electricity meter casing and preparation method thereof |
| CN103724900A (en) * | 2013-12-31 | 2014-04-16 | 国家电网公司 | Electric insulation material and application thereof |
| CN104151745A (en) * | 2014-08-12 | 2014-11-19 | 山东梦奇电器有限公司 | High and low voltage power distribution cabinet housing material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542382A (en) * | 2016-01-22 | 2016-05-04 | 杭州富阳高博信息技术服务有限公司 | Plastic shell of electricity meter and application of plastic shell |
| CN105924845A (en) * | 2016-06-13 | 2016-09-07 | 深圳市红岩电控设备有限公司 | Efficient and energy-saving environment-friendly graphene power distribution cabinet |
| CN107057241A (en) * | 2017-06-22 | 2017-08-18 | 合肥励仙电力工程有限公司 | A kind of power electric meter erosion resisting insulation sheathing material and preparation method thereof |
| CN107189272A (en) * | 2017-07-04 | 2017-09-22 | 合肥市大卓电力有限责任公司 | A kind of power electric meter sheathing material and preparation method thereof |
| CN107418119A (en) * | 2017-08-01 | 2017-12-01 | 合肥市大卓电力有限责任公司 | A kind of fire-retardant power electric meter sheathing material and preparation method thereof |
| CN107286531A (en) * | 2017-08-02 | 2017-10-24 | 合肥尚涵装饰工程有限公司 | A kind of meter case material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104479254B (en) | 2016-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104479255A (en) | Electric ammeter shell material | |
| CN104479254A (en) | Preparation process of electric ammeter shell material | |
| CN103665688A (en) | Electricity meter casing and preparation method thereof | |
| CN101580632B (en) | High-gloss high-performance fiber glass reinforced PBT material and preparation method thereof | |
| CN102977624B (en) | A kind of degradable type bamboo-plastic composite material with superhigh tenacity and preparation method thereof | |
| CN103059537B (en) | High-rigidity high-fluidity PC/ABS (polycarbonate/acrylonitrile-butadiene-styrene) alloy and preparation method thereof | |
| CN103059412A (en) | Polypropylene composite material with low after-shrinkage and high gloss and preparation method thereof | |
| CN103724900B (en) | A kind of Electric insulation material and application thereof | |
| CN103601976A (en) | Glass fiber reinforced polypropylene material for swimming pool staircase footplate and preparation method of glass fiber reinforced polypropylene material | |
| CN103788588A (en) | Low-warping high-rigidity conductive PBT composite material and preparation method | |
| CN101407621A (en) | Flame-retardant PBT / PC plastic alloy and manufacturing method thereof | |
| CN105400226A (en) | PE (polyethylene) wood-plastic composite material with high modulus | |
| CN102775720A (en) | High-impact and high-heat-resistance ABS alloy and its preparation technology | |
| CN107974020A (en) | A kind of reinforced aromatic vinyl copolymer compositions and its application | |
| CN109721958A (en) | A kind of high performance PE T engineering plastics and preparation method thereof | |
| CN107418119A (en) | A kind of fire-retardant power electric meter sheathing material and preparation method thereof | |
| CN105623183A (en) | Preparation technique of television case | |
| CN102321339B (en) | Amino resin composite capable of injection molding and preparation method thereof | |
| CN105670288A (en) | High-performance flame-retardancy insulating plastic material and preparation method thereof | |
| CN105694423A (en) | A modified polyphenylene oxide material with high strength and low dielectric loss and a preparing method thereof | |
| CN104559128A (en) | Preparation process for composite material of household appliance housing | |
| CN103525001B (en) | For material and the preparation method of air-conditioning inside and outside cover | |
| CN101935424B (en) | ABS (Acrylonitrile Butadiene Styrene) thermoplastic resin and preparation method thereof | |
| CN103980707A (en) | Toughened polyether-imide composite material and preparation method thereof | |
| CN103849131B (en) | A kind of ultra-toughness is modified MPPO materials and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170613 Address after: 226200 Nantong City, Qidong Province Economic Development Zone, No. triumph Road, No. 1 Patentee after: Qidong Green Green Engineering Co., Ltd. Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Co-patentee before: Linyi Electric Power Company of Guo Wang Shandong Province Utilities Electric Co. Patentee before: State Grid Corporation of China Co-patentee before: Junan Power Supply Co.,Ltd. |
|
| TR01 | Transfer of patent right |